CVE-2024-29240 in Surveillance Station
Summary
by MITRE • 03/28/2024
Missing authorization vulnerability in LayoutSave webapi component in Synology Surveillance Station before 9.2.0-11289 and 9.2.0-9289 allows remote authenticated users to conduct denial-of-service attacks via unspecified vectors.
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Analysis
by VulDB Data Team • 08/04/2025
The vulnerability identified as CVE-2024-29240 represents a critical authorization flaw within the LayoutSave webapi component of Synology Surveillance Station software. This issue affects versions prior to 9.2.0-11289 and 9.2.0-9289, creating a significant security gap that enables authenticated attackers to execute denial-of-service operations against affected systems. The vulnerability stems from insufficient access control mechanisms that fail to properly validate user permissions before processing layout save requests, allowing malicious actors to exploit this weakness even when they possess valid login credentials.
From a technical perspective, the missing authorization check manifests as a failure in the webapi component's validation logic during LayoutSave operations. When authenticated users submit requests to modify or save layout configurations within the Surveillance Station interface, the system should verify that the requesting user possesses adequate privileges to perform such actions. However, the flaw allows unauthorized manipulation of layout settings, potentially leading to system instability and service disruption. This vulnerability operates at the application layer and specifically targets the webapi interface that handles configuration management operations within the surveillance platform.
The operational impact of CVE-2024-29240 extends beyond simple service interruption to potentially compromise the integrity of surveillance operations and system availability. Remote authenticated users can leverage this weakness to exhaust system resources, cause application crashes, or disrupt normal surveillance functionality, which could have serious implications for security monitoring operations. The vulnerability's classification aligns with CWE-862, which addresses insufficient authorization checks, and represents a direct violation of the principle of least privilege that should govern all system access controls. Attackers exploiting this vulnerability can effectively deny legitimate users access to critical surveillance functionality while maintaining their authenticated session.
Organizations running affected versions of Synology Surveillance Station face substantial risk from this vulnerability, particularly in environments where surveillance systems are critical for security operations. The exposure allows attackers to potentially disrupt video monitoring capabilities, which could leave facilities vulnerable to security breaches during the period of service disruption. Security teams should prioritize immediate remediation through the installation of the latest firmware updates that address this authorization gap. Additionally, network segmentation and monitoring of webapi traffic can provide additional defensive layers while waiting for patch deployment. The vulnerability demonstrates the importance of proper access control implementation in security-critical applications and serves as a reminder of the potential consequences when authorization mechanisms fail to properly validate user privileges before executing sensitive operations.